Finding the Third Proportional to 118,759.50 and 249,039

Step by Step Solution

1. Step 1: Write the proportion equation
   118,759.50 : 249,039 = 249,039 : x
2. Step 2: Convert to fraction form
   118,759.50/249,039 = 249,039/x
3. Step 3: Cross multiply
   118,759.50x = 249,039 × 249,039
4. Step 4: Simplify right side
   118,759.50x = 62,020,423,521
5. Step 5: Solve for x
   x = 62,020,423,521/118,759.50
6. Step 6: Final answer
   x = 522,235.47